If there ever was a miracle product better than spray-on-hair or the ShamWow, it is duct tape. Over the past 70 years of its existence, this staple product of fix-it-yourselfers has been used by virtually every walk of life, for jobs that I'm sure the duct tape developers never imagined. So how can we use it for survival? Here are my top 25 survival uses for duct tape, in no order whatsoever. 1. Repairing a cracked water bottle or a pierced hydration bladder. A little strip of DT is the next best thing to a bandage for an ailing water vessel. Just dry the surface before you try to tape your patch in place, most forms of duct tape don't stick to wet surfaces.